Removed memmove.c, snprintf.c, and strerror.c from CSRCS and added a comment explaining why.
Removed memmove.c, snprintf.c, and strerror.c from CSRCS and added a
comment explaining why.

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss